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Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
Windows: XAMPP vs WampServer vs EasyPHP vs alternative [closed]
... I want to open it up further to include all possible Windows/Apache/MySQL/PHP stacks.
5 Answers
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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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磁盘消耗对比：
选择MongoDB就必然会面对磁盘消耗的问题。我们拿到的数据大概是这样的：每天的数据量不到200万条，平均数据的大小不超过4k，但MongoDB存一个月的数据就需要接近40G，最近三个月的数据则需要接近100G。限...
【解决】linux apache2 php7 不解析php文件的几种可能 - 更多技术 - 清泛网...
【解决】linux apache2 php7 不解析php文件的几种可能linux-apache2-php7-not-execute1、可能是没启用php模块导致，解决方法：a2enmod php7 0systemctl restart apache22、正常情况下，启用php模块后无需其他配置，就能自动识别php文件，如果还是不行请...
What is the difference between is_a and instanceof?
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Update
As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_s...
优化InnerHTML操作 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...便性让我们爱不释手，但如果使用不当，很容易出现效率问题，本文通过一个例子来说明如何优化i...多数现代浏览器都实现了innerHTML操作，它的方便性让我们爱不释手，但如果使用不当，很容易出现效率问题，本文通过一个例...
PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
PHP编译安装时常见错误解决办法，php编译常见错误PHP编译安装时常见错误解决办法，php编译常见错误This article is post on https: coderwall.com p ggmpfaconfigure: error: xslt-...PHP编译安装时常见错误解决办法，php编译常见错误
This article is po...
What exactly are late static bindings in PHP?
What exactly are late static bindings in PHP?
8 Answers
8
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How to get multiple selected values of select box in php?
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If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple …
Then you can acces the array in your PHP script
<?php
he...
Multiple file upload in php
...me[]"
Input element must have multiple="multiple" or just multiple
In your PHP file use the syntax "$_FILES['inputName']['param'][index]"
Make sure to look for empty file names and paths, the array might contain empty strings. Use array_filter() before count.
Here is a down and dirty example (sho...